12.07.2015 Views

Boreskov

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Boreskov

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COMPARATIVE ANALYSIS OF BIOMARKER HYDROCARBONS IN UPPERPROTEROZOIC, PALEOZOIC, AND MESOZOIC ORGANIC MATTEROF WEST SIBERIAKostyreva E.A., Fomin A.N.PP‐24Institution of Russian Academy of Sciences A.A. Trofimuk Institute of Petroleum Geology andGeophysics of the Siberian Branch RAS, Novosibirsk, Russia, KostyrevaEA@ipgg.nsc.ruIt has been identified that the saturated fractions of bitumens (chloroform extracts)from Upper Proterozoic, Paleozoic (Є‐C) and Mesozoic (J) deposits contain C 10 ‐C 37 n‐alkanes,C 13 ‐C 25 acyclic izoprenanes, cyclic biomarker hydrocarbons (HC) of sterane (C 21 ‐C 22 ) and C 27 ‐C 30 ) terpane (C 19 ‐C 35 ) series.The following biomarker parameters were established for Upper Proterozoic OM (wellVostok‐3): n‐C 27 /n‐C 17

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